docs: def postprocess_keywordsPlus(self, entry):
          """
          Parse WoS "Keyword Plus" keywords.
  
          Keyword Plus keywords are usually semicolon-delimited.
          """
  
          if type(entry.keywordsPlus) in [str, unicode]:
              entry.keywordsPlus = [k.strip().upper() for k
                                    in entry.keywordsPlus.split(';')]